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A new beta version of Proton 9.0 has been released for testing. In this release, a number of issues and regressions have been fixed, including the ability to play Command & Conquer Red Alert, Carmageddon: Max Damage, Risk of Rain 2, DayZ connectivity, frames per second drops, inventory crashes, new prefix issues, and support for Steamworks SDK 1.59.

Proton 9.0 (Beta16)

  • Fixed Proton 9.0 regressions:
    • Command & Conquer Red Alert is playable again.
    • Carmageddon: Max Damage is playable again.
    • Fixed Risk of Rain 2 being unable to start a multiplayer lobby.
    • DayZ is able to connect to servers again.
    • The Last Of Us Part I no longer drops FPS when using mouse.
    • Trove no longer crashes when going through inventory.
  • Fixed new prefix failing to initialize on filesystem that do not support copy_file_range systemcall.
  • Added support for Steamworks SDK 1.59.

Release Proton 9.0 (Beta16) · ValveSoftware/Proton